Re: [Hampshire] usb webcam drivers

Top Page

Reply to this message
Author: Graham Bleach
Date:  
To: Hampshire LUG Discussion List
Subject: Re: [Hampshire] usb webcam drivers
On 19/04/07, Mike Burrows <testermike@???> wrote:
> OK. so what am I doing wrong?
>
> Cheers, Mike.
>
> marvin:/home/testermike# xawtv -hwscan
> This is xawtv-3.94, running on Linux/i686 (2.6.8-3-386)
> looking for available devices
> port 56-56
>     type : Xvideo, image scaler
>     name : SIS 300/315/330 series Video Overlay

>
> ioctl:
> VIDIOC_QUERYCAP(driver="";card="";bus_info="";version=0.0.0;capabilities=0x0 []): Unknown error 515
> /dev/video0: OK                         [ -device /dev/video0 ]
>     type : v4l
>     name : Logitech QuickCam USB
>     flags:  capture

>
> /dev/video1: OK                         [ -device /dev/video1 ]
>     type : v4l2
>     name : BT878 video (Hauppauge (bt878))
>     flags: overlay capture tuner

>
> marvin:/home/testermike# xawtv -device video1
> This is xawtv-3.94, running on Linux/i686 (2.6.8-3-386)
> error: video1 is not a /dev file
> v4l-conf had some trouble, trying to continue anyway
> v4l2: open video1: No such file or directory
> v4l2: open video1: No such file or directory
> v4l: open video1: No such file or directory
> no video grabber device available
> marvin:/home/testermike# xawtv -device video0
> This is xawtv-3.94, running on Linux/i686 (2.6.8-3-386)
> error: video0 is not a /dev file
> v4l-conf had some trouble, trying to continue anyway
> v4l2: open video0: No such file or directory
> v4l2: open video0: No such file or directory
> v4l: open video0: No such file or directory
> no video grabber device available
> marvin:/home/testermike#


You are not opening /dev/video1 or /dev/video0. Specify the full path.

If the working directory is /home/testermike and you specify the file
video0, which file do think any program will attempt to open?

a) /dev/video0
b) /home/testermike/video0
c) /dev/urandom

G